when mitt romney and president obama meet on this stage for their first debate, more than 50 million viewers are expected to tune in. greg is an important member of that audience. he is an undecided voter. >> i think they are talking directly to me. >> wayland's top issue, the economy. >> that's going to be the thing for me. someone that comes forward with a cohesive plan for america and where america fits into that. >> both candidates have spent hours rehearsing for this moment. they'll face each other for 90 minutes. president obama has to avoid any major missteps and explain to voters why unemployment is so high and the economic recovery so slow. >> i think what you'll hear the president do tonight is have a conversation directly with the american people about where we have been over the past four years and what we have to continue to do moving forward to strengthen our economy. >> romney who is trailing in the polls will be looking for a breakout moment. and voters will be looking to hear more details about his plan to lower taxes and the deficit. >> i think that you'll hear a gr